Home / 492,819.84-680,091.60-266,465.34

Finding the Fourth Proportional to 492,819.84, 680,091.60 and 266,465.34

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Solution

The fourth proportional to 492,819.84, 680,091.60 and 266,465.34 is: 367,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,819.84 : 680,091.60 = 266,465.34 : x
  2. Step 2: Convert to fraction form
    492,819.84/680,091.60 = 266,465.34/x
  3. Step 3: Cross multiply
    492,819.84x = 680,091.60 × 266,465.34
  4. Step 4: Simplify right side
    492,819.84x = 181,220,839,425.14
  5. Step 5: Solve for x
    x = 181,220,839,425.14/492,819.84
  6. Step 6: Final answer
    x = 367,722.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.